Finding the Fourth Proportional to 2,516.53, 3,472.86 and 1,397.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.53 : 3,472.86 = 1,397.57 : x
2. Step 2: Convert to fraction form
   2,516.53/3,472.86 = 1,397.57/x
3. Step 3: Cross multiply
   2,516.53x = 3,472.86 × 1,397.57
4. Step 4: Simplify right side
   2,516.53x = 4,853,573.30
5. Step 5: Solve for x
   x = 4,853,573.30/2,516.53
6. Step 6: Final answer
   x = 1,928.68